CN210200594U - Tapping switch static contact assembly fixture - Google Patents
Tapping switch static contact assembly fixture Download PDFInfo
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- CN210200594U CN210200594U CN201921473206.0U CN201921473206U CN210200594U CN 210200594 U CN210200594 U CN 210200594U CN 201921473206 U CN201921473206 U CN 201921473206U CN 210200594 U CN210200594 U CN 210200594U
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Abstract
The utility model provides a tap switch static contact assembly fixture, include: a base; the positioning block is fixed on the base; the insulation rod penetrates through the through hole in the left-right direction in a surrounding mode between the positioning block and the base, the positioning block is provided with a containing groove used for containing the static contact, the containing groove is a U-shaped containing groove with a groove opening facing left or right, the containing groove is a through groove which is communicated up and down, the containing groove comprises two spaced side walls and an arc transition wall, the arc transition wall is in contact with the static contact, an exiting space for the static contact to exit the positioning block after being subjected to press mounting is formed in the space between the two side walls, the length of the containing groove in the up-down direction is smaller than that of the static contact, the difference value of the two forms the press mounting depth of the static contact, and the upper. Has the advantages that: the tool is used for positioning the insulating rod and the fixed contact and matched with the force application mechanism, so that the labor intensity of workers can be reduced, the press-fitting precision is guaranteed, and the press-fitting operation is facilitated.
Description
Technical Field
The utility model relates to a tap switch static contact assembly fixture.
Background
The non-excited tap changer is one of the core components of the transformer and plays a role in regulating the high-voltage side voltage and connecting the high-voltage lead in the whole structure of the transformer. For example, the chinese utility model patent with the publication number CN205723180U discloses an excitation-free bar tap changer, which includes a support and an operating mechanism, wherein the support is fixed with an insulating rod and a rack, the rack is provided with a plurality of moving contacts, the insulating rod is provided with a plurality of static contacts, and the moving contacts and the static contacts are connected in series or in parallel and correspondingly contact.
When the static contact of the tap switch is installed on the insulating rod, due to the fact that the static contact and the insulating rod are in interference fit, manual press-fitting is very difficult, labor intensity is high, the static contacts after press-fitting are uneven, even a part of the static contacts are scratched, and product quality cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tapping switch static contact assembly fixture on the insulator spindle is installed with tapping switch's static contact to the convenience.
In order to achieve the above object, the utility model provides a tapping switch static contact assembly fixture adopts following technical scheme:
the utility model provides a tapping switch static contact assembly fixture, includes:
the base is used for supporting an insulating rod of the tap switch;
the positioning block is fixed on the base;
wherein a through hole for the insulation rod to penetrate in and out along the left-right direction is enclosed between the positioning block and the base, an accommodating groove for accommodating a static contact of the tap switch and guiding the press-fitting process of the static contact is arranged on the positioning block, the accommodating groove is a U-shaped accommodating groove with a groove opening facing left or right, meanwhile, the holding tank is a through groove which is communicated up and down and is positioned above the through hole so as to be communicated with the through hole, the holding tank comprises two spaced side walls and an arc-shaped transition wall connected with the two side walls, the arc-shaped transition wall is used for being contacted with the static contact, an exit space for the static contact to exit the positioning block after being pressed and installed is formed between the two side walls at intervals, the length of the holding tank in the up-and-down direction is smaller than that of the static contact, so that the difference value of the two forms the press-fitting depth of the static contact, and the upper end surface of the positioning block forms a limiting surface which is used for limiting and matching with the force application mechanism to limit the press-fitting degree of the static contact.
The technical scheme of the assembly tool for the fixed contact of the tap switch has the advantages that: the through hole between the positioning block and the base can be used for the insulating rod to penetrate in and out along the left and right directions, the containing groove arranged on the positioning block can be used for containing the static contact conveniently, the containing groove is a U-shaped containing groove with a notch facing left or right, and the containing groove is also a channel which is communicated with the through hole at the lower part, so that the static contact placed in the containing groove can correspond to the static contact mounting hole on the insulating rod, and the static contact can be conveniently pressed on the insulating rod. Therefore, during press fitting, the insulating rod can penetrate into the through hole, then the static contact is placed in the containing groove, the arc-shaped transition wall of the containing groove is in contact with the static contact in the press fitting process to guide the static contact, after the press fitting, the withdrawing space between the two side walls of the containing groove just allows the static contact to withdraw from the positioning block, so that the press fitting of one static contact is completed, and the like is followed to complete the press fitting of each static contact. In addition, the press-fitting depth of the static contact is determined by the length of the accommodating groove in the vertical direction, and the upper end face of the positioning block forms a limiting face in limiting fit with the force application mechanism, so that when the force application mechanism abuts against the upper end face of the positioning block, the static contact cannot be continuously pressed and fitted downwards, and the press-fitting precision can be ensured by reasonably setting the size of the positioning block.
The utility model discloses an assembly fixture fixes a position insulator spindle and static contact, utilizes assembly fixture and application of force mechanism cooperation, can alleviate artifical intensity of labour to the pressure equipment precision can obtain guaranteeing, has made things convenient for the pressure equipment operation.
Furthermore, in order to meet the press-fitting operation that the static contact penetrates through a product such as an insulating rod, an avoiding groove used for avoiding the lower end of the static contact is arranged on the base, the avoiding groove is located below the through hole and communicated with the through hole, and the left end or the right end of the avoiding groove is open, so that the pressed static contact can exit from the base.
Furthermore, in order to conveniently replace the positioning block to adapt to the assembly of the insulating rods and the static contacts of different models, the positioning block is detachably connected to the base.
Furthermore, in order to optimize the overall structure, reduce the weight of the tool and facilitate the movement of workers, the through hole is defined by a through groove arranged on the positioning block and the upper end surface of the base.
Drawings
Fig. 1 is a perspective view of a fixed contact assembling tool of a middle tap changer of the present invention before press-fitting of the fixed contact;
fig. 2 is a perspective view of the fixed contact assembling tool of the middle tapping switch of the present invention after the fixed contact is press-fitted;
fig. 3 is a front view of the fixed contact assembling tool of the middle tapping switch of the present invention after the fixed contact is press-fitted;
fig. 4 is a side view of the fixed contact assembling tool of the middle tapping switch of the present invention after the fixed contact is press-fitted;
fig. 5 is the matching structure diagram of the fixed contact assembling tool for the middle tapping switch of the present invention after press-fitting a part of the fixed contact, the insulating rod and the fixed contact.
In the figure: 1. a base; 11. an avoidance groove; 2. an insulating rod; 21. a static contact mounting hole; 3. positioning blocks; 31. penetrating a groove; 32. accommodating grooves; 4. and (7) carrying out static contact.
Detailed Description
The utility model discloses well tapping switch static contact assembly fixture's embodiment is as shown in fig. 1~ 4, including base 1 that length extends along left right direction, base 1's up end is used for supporting tapping switch's insulator spindle 2, and insulator spindle 2 is square insulator spindle, and length also extends along left right direction, and the interval is provided with a plurality of static contact mounting holes 21 that are used for installing static contact 4 on it.
The right-hand member of base 1 is fixed with a locating piece 3 through bolt (not shown in the figure), the right-hand member face of locating piece 3 flushes with the right-hand member face of base 1, the locating piece 3 be provided with the groove 31 that wears into out from the right side to supply insulator spindle 2 on the bottom surface of base 1, consequently wear groove 31 for controlling the logical groove that link up, the shape of wearing groove 31 and insulator spindle 2's shape phase-match, its groove depth equals with the thickness of insulator spindle 2, the up end of wearing groove 31 and base 1 has enclosed jointly and has enclosed the perforation that supplies insulator spindle 2 to wear into and wear out.
The positioning block 3 is further provided with an accommodating groove 32 for accommodating the static contact 4 and guiding the press-fitting process of the static contact, and the accommodating groove 32 is a through groove which is through from top to bottom and is located above the through groove 31, so that the accommodating groove 32 is communicated with the through groove 31. Meanwhile, the accommodating groove 32 is also a U-shaped accommodating groove with a rightward notch, so that after the static contact 4 is pressed and mounted, the static contact 4 can move rightwards conveniently to exit the positioning block 3. Specifically, the holding groove 32 includes two spaced side walls and an arc-shaped transition wall connected to the two side walls, the arc-shaped transition wall is used for contacting the static contact 4 to guide the press-fitting process of the static contact, and the space between the two side walls forms an exiting space for the static contact 4 to exit from the positioning block after being press-fitted. Of course, when the stationary contact 4 is placed, the stationary contact 4 may be installed into the accommodating groove 32 from the right side through the exit space.
Be provided with on the base 1 and be used for dodging the groove 11 of dodging of static contact 4 lower extreme, dodge the groove 11 and be located fenestrate below and with perforate the intercommunication, should dodge the groove and can be applicable to the assembly of the product that those static contacts run through the insulator spindle. Specifically, the avoiding groove 11 in this embodiment is a through groove running through from left to right, so that the pressed static contact 4 can conveniently exit from the base 1 from the right side, and the longer through groove can play a role in reducing weight.
For a fixed length of the static contact 4, the press-fitting depth is determined by the length of the receiving groove 32 in the vertical direction, or the height of the positioning block 3, of course, the length of the receiving groove 32 in the vertical direction is smaller than the length of the static contact 4, and after the static contact 4 is placed in the receiving groove 32, the upper end of the static contact is exposed out of the positioning block 3, as shown in fig. 1. The length difference between the holding tank 32 and the fixed contact 4 is the press-fitting depth of the fixed contact 4, and the upper end surface of the positioning block 3 forms a limiting surface for limiting and matching with the force application mechanism to limit the press-fitting degree of the fixed contact 4, that is, when the force application mechanism abuts against the upper end surface of the positioning block 3, the fixed contact 4 cannot be continuously pressed downward, so that the press-fitting precision can be ensured by reasonably setting the size of the positioning block.
The utility model discloses well tapping switch static contact assembly fixture's theory of use is:
when the riveting machine is used, the riveting machine is used as a force application mechanism, so that the labor intensity of workers can be reduced. The method comprises the following specific steps: when the first static contact 4 at the end portion is installed, the insulating rod 2 can penetrate into a through hole formed by the positioning block 3 and the base 1 from left to right or from right to left, so that the static contact installation hole at the end portion is aligned with the accommodating groove 32, then the static contact 4 is installed into the accommodating groove 32 from top to bottom or from right to left, the static contact 4 is in contact with the arc-shaped transition wall of the accommodating groove 32, and meanwhile, the bottom end of the static contact 4 is aligned with the static contact installation hole. And then, the whole tool is placed on a squeeze riveter, and the squeeze riveter is operated to enable a pressure plate of the squeeze riveter to downwards press the static contact 4 until the pressure plate is abutted against the upper end face of the positioning block 3, which indicates that the static contact is pressed and installed. And moving the insulating rod 2 to the right to enable the first static contact to exit from the accommodating groove 32 and the avoiding groove 11, enabling the mounting hole of the second static contact to be aligned with the accommodating groove 32, mounting the second static contact, and repeating the steps to press and mount all the static contacts on the insulating rod until all the static contacts are pressed and mounted as shown in fig. 5. And finally, the insulating rod is moved rightwards and is dismounted from the tool, the operation in the whole process is very convenient, the labor intensity of workers is greatly reduced, the press mounting efficiency and the press mounting precision are improved, and the quality of a product is effectively guaranteed.
Because locating piece 3 passes through bolt releasable connection on base 1, consequently through changing the locating piece (wear the size difference of groove and/or holding tank on the different locating pieces), just can be suitable for the assembly of the insulator spindle of different models and static contact, it is very convenient to use. Therefore, the groove width of the avoiding groove 11 on the base 1 is relatively large and larger than the groove width of the accommodating groove 32 in the embodiment, so that even if the positioning block is replaced, the groove width of the accommodating groove becomes large (the outer diameter of the corresponding static contact becomes large), the base does not need to be replaced.
In addition, utilize wearing groove and the up end of base on the locating piece to enclose into the perforation in this embodiment, compare all set up wearing groove and only set up wearing groove on the base on locating piece and base like this, can alleviate the weight of base, and then can alleviate the weight of whole frock to make things convenient for artifical the removal.
In other embodiments of the assembly tool for the fixed contact of the tap switch, a press machine can also be used as the force application mechanism.
In other embodiments of the assembly tool for the fixed contact of the tap switch, a half penetrating groove can be respectively arranged on the positioning block and the base, and the positioning block and the base are combined to form a through hole; of course, the through groove can be arranged on the base, and the lower end face of the positioning block and the through groove on the base together form a through hole.
In other embodiments of the assembly fixture for the fixed contact of the tap switch, the positioning block can also be fixed at the left end or the middle part of the base, the notch of the accommodating groove in the positioning block can also face left, and the insulating rod must move left to exit the assembly fixture.
In other embodiments of the assembly tool for the fixed contact of the tapping switch, the positioning block can be detachably connected to the base through a buckle or fixed on the base through magnet attraction; of course, the positioning block can also be welded and fixed on the base and can not be detached.
In other embodiments of the assembly fixture for the fixed contact of the tap switch, the avoiding groove on the base may not be left-right through, for example, in the first embodiment, only the right end of the avoiding groove needs to be open, so that the fixed contact can conveniently exit from the base from the right side.
In other embodiments of tapping switch static contact assembly fixture, when the notch of holding tank is towards left, keep away the left end of groove and be uncovered, make things convenient for the static contact to remove left and withdraw from the base.
In other embodiments of the assembly tool for the static contact of the tap switch, for a product in which the static contact does not penetrate through the insulating rod, an avoiding groove on the base can be omitted.
Claims (5)
1. The utility model provides a tapping switch static contact assembly fixture which characterized in that includes:
the base is used for supporting an insulating rod of the tap switch;
the positioning block is fixed on the base;
wherein a through hole for the insulation rod to penetrate in and out along the left-right direction is enclosed between the positioning block and the base, an accommodating groove for accommodating a static contact of the tap switch and guiding the press-fitting process of the static contact is arranged on the positioning block, the accommodating groove is a U-shaped accommodating groove with a groove opening facing left or right, meanwhile, the holding tank is a through groove which is communicated up and down and is positioned above the through hole so as to be communicated with the through hole, the holding tank comprises two spaced side walls and an arc-shaped transition wall connected with the two side walls, the arc-shaped transition wall is used for being contacted with the static contact, an exit space for the static contact to exit the positioning block after being pressed and installed is formed between the two side walls at intervals, the length of the holding tank in the up-and-down direction is smaller than that of the static contact, so that the difference value of the two forms the press-fitting depth of the static contact, and the upper end surface of the positioning block forms a limiting surface which is used for limiting and matching with the force application mechanism to limit the press-fitting degree of the static contact.
2. The assembly tool for the fixed contact of the tapping switch as claimed in claim 1, wherein the base is provided with an avoiding groove for avoiding the lower end of the fixed contact, the avoiding groove is located below the through hole and is communicated with the through hole, and the left end or the right end of the avoiding groove is open so that the fixed contact after being pressed and mounted can be withdrawn from the base.
3. The assembly fixture for the fixed contact of the tap switch according to claim 1 or 2, wherein the positioning block is detachably connected to the base.
4. The assembly tool for the fixed contact of the tap switch according to claim 3, wherein the through hole is defined by a through groove formed in the positioning block and an upper end surface of the base.
5. The assembly tool for the fixed contact of the tap switch according to claim 1 or 2, wherein the through hole is defined by a through groove formed in the positioning block and an upper end surface of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921473206.0U CN210200594U (en) | 2019-09-05 | 2019-09-05 | Tapping switch static contact assembly fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921473206.0U CN210200594U (en) | 2019-09-05 | 2019-09-05 | Tapping switch static contact assembly fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210200594U true CN210200594U (en) | 2020-03-27 |
Family
ID=69866404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921473206.0U Active CN210200594U (en) | 2019-09-05 | 2019-09-05 | Tapping switch static contact assembly fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210200594U (en) |
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2019
- 2019-09-05 CN CN201921473206.0U patent/CN210200594U/en active Active
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